321323113011 has 16 divisors (see below), whose sum is σ = 428876391680. Its totient is φ = 213992724960.

The previous prime is 321323113009. The next prime is 321323113019. The reversal of 321323113011 is 110311323123.

It is a happy number.

It is not a de Polignac number, because 321323113011 - 2¹ = 321323113009 is a prime.

It is a super-2 number, since 2×321323113011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321323113019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15480306 + ... + 15501048.

It is an arithmetic number, because the mean of its divisors is an integer number (26804774480).

Almost surely, 2^321323113011 is an apocalyptic number.

321323113011 is a deficient number, since it is larger than the sum of its proper divisors (107553278669).

321323113011 is a wasteful number, since it uses less digits than its factorization.

321323113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25866.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 321323113011 its reverse (110311323123), we get a palindrome (431634436134).

The spelling of 321323113011 in words is "three hundred twenty-one billion, three hundred twenty-three million, one hundred thirteen thousand, eleven".